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Old 01-27-2016, 12:15 PM   #1
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3.55's? Or?

Does anybody have 3.55's in there car? If so how are they? Quicker?


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---------- Post added at 12:15 PM ---------- Previous post was at 12:14 PM ----------

Highway?


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Old 01-27-2016, 12:51 PM   #2
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This is so general... compared to stock? Yeah the car will accelerate faster. Highway RPM will be dependent on your rear tire diameter, OD ratio and how fast you are going.


But for a pre 2005 V6... I'd probably go 4.10s because they will need all the help they can get on the launch and 4.10s and a .68 overdrive in what I am assuming is a T-5 manual trans is not terrible. Think 2450rpm at 65mph with a stock tire size.
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Old 01-27-2016, 01:33 PM   #3
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But for a pre 2005 V6... I'd probably go 4.10s because they will need all the help they can get on the launch and 4.10s and a .68 overdrive in what I am assuming is a T-5 manual trans is not terrible. Think 2450rpm at 65mph with a stock tire size.
Thank you, Scotty. The dude at the place that wants to charge me 1K was also trying to talk me out of 4.10's. Said I'd be "shifting too much". If I didn't want to shift, I'd have bought an automatic.

But to answer your question, OP, a little more info is needed. What year is the car? Trim?
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Old 01-27-2016, 01:50 PM   #4
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It's a 2000 3.8 5-speed with the windstar upper intake cai upgraded coil wires and plugs pypes true dual exhaust with shorty headers and the new bama x4 tuner. The reason I'm asking is because I bought an 8.8 to swap in it this winter and was just thinking about putting some gears in and refresh it before I put it in. And I drive highway a lot.


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Old 01-27-2016, 01:52 PM   #5
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And the rear tires are 235/60/r16 only slightly bigger OD


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Old 01-27-2016, 01:58 PM   #6
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And the rear tires are 235/60/r16 only slightly bigger OD


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If you drive on the highway a lot, I'd say 3.73's, unless you want to deal with the higher revvs on the freeway
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The chargers are slugs lol
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Old 01-27-2016, 02:08 PM   #7
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Nah, 4.10s on the highway too its like a 150-200rpm difference. Slow down 5mph or just turn the music up if its too noisy.


And if you are going to put an 8.8 in there just find one in good shape that already has 4.10s in it and roll.
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Old 01-27-2016, 02:12 PM   #8
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Already got the 8.8 it's all factory so it's the same 3.27's I want to give it a little more get up and go. So the 3.73's are the ideal ones?


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Old 01-27-2016, 02:23 PM   #9
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Nah, 4.10s on the highway too its like a 150-200rpm difference. Slow down 5mph or just turn the music up if its too noisy.


And if you are going to put an 8.8 in there just find one in good shape that already has 4.10s in it and roll.
People exaggerate the &#%% out of the revv difference then
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The chargers are slugs lol
2001 3.8L - Cheap SR CAI, SF4/X4 w/ 91 Octane Bama Tuning, Pacesetter H-pipe and Borla Stingers, Auburn HP Limited-Slip Diff, FRPP 4.10 gears

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Old 01-27-2016, 02:37 PM   #10
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Quote:
Originally Posted by Bravebowhunter View Post
Already got the 8.8 it's all factory so it's the same 3.27's I want to give it a little more get up and go. So the 3.73's are the ideal ones?


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I'm getting 4.10's and do some mild highway driving, maybe 25-30 miles every couple of day. The rev difference shouldn't be too much for me. From what I hear, first gear is still usable and you can gain an MPG or two in the city due to being able to use 5th. Of course, you can see some of the same gains with 3.73's
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The chargers are slugs lol
2001 3.8L - Cheap SR CAI, SF4/X4 w/ 91 Octane Bama Tuning, Pacesetter H-pipe and Borla Stingers, Auburn HP Limited-Slip Diff, FRPP 4.10 gears

Coming EVENTUALLY: BBK headers, Eibach Springs, FRPP Aluminum Driveshaft, Maximum Motorsports Caster Camber Plates
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Old 01-27-2016, 06:16 PM   #11
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Originally Posted by JudenInduven View Post
People exaggerate the &#%% out of the revv difference then
People lose their **** when talking about 4.10s and the highway. Don't fear the gear.

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Old 01-27-2016, 06:29 PM   #12
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3.55's? Or?

Eh, gears are fun for everyone. But mileage will go down!!!! I didn't buy a mustang for frigging gas mileage.
Getting 4.10s for both my 3Vs. But one is getting a 6 speed.


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Old 01-27-2016, 06:32 PM   #13
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Remember only the wide ratios have the super deep .5 6th gear.

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Old 01-27-2016, 06:37 PM   #14
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3.55's? Or?

The car is going to be supercharged with very aggressive cams/heads. Gas mileage is not a concern.


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Old 01-29-2016, 03:23 PM   #15
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The gas mpg loss/high revs with 4.10's is so over hyped. I had 3.55's in my Mach (stock gear) and switched to 4.10's and I'm maybe 300 rpms higher at 70 in 5th when cruising. I'm currently running a 285/35/18 in the rear.
I could give two sh*ts about mpgs but if I had to guess I probably shaved .5-1 off my hwy and possibly gained the same in the city as my drive is about 50/50 and I can get into 5th going thru town.

OP throw 4.10's along with a tlok/bearing rebuild kit in and you're good to go. Won't have to touch the thing again at v6 power levels.
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Old 01-29-2016, 05:11 PM   #16
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The gas mpg loss/high revs with 4.10's is so over hyped. I had 3.55's in my Mach (stock gear) and switched to 4.10's and I'm maybe 300 rpms higher at 70 in 5th when cruising. I'm currently running a 285/35/18 in the rear.
I could give two sh*ts about mpgs but if I had to guess I probably shaved .5-1 off my hwy and possibly gained the same in the city as my drive is about 50/50 and I can get into 5th going thru town.

OP throw 4.10's along with a tlok/bearing rebuild kit in and you're good to go. Won't have to touch the thing again at v6 power levels.
Truth x1000. People freak over 4.10s on the highway. The difference is very minor and the gas mileage is minor as well. Ppl driving around county roads or towns for a commute might actually pick up some mileage if they keep it in the 45-55mph range in 5th with 4.10s vs lugging it with a shorter gear.
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